import axios from 'axios'
import { Message } from 'element-ui'
import {removeToken} from  '@/utils/auth'

// create an axios instance
const service = axios.create({
  baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
  // withCredentials: true, // send cookies when cross-domain requests
  timeout: 5000 // request timeout
})

// response interceptor
service.interceptors.response.use(
  /**
   * If you want to get http information such as headers or status
   * Please return  response => response
  */

  /**
   * Determine the request status by custom code
   * Here is just an example
   * You can also judge the status by HTTP Status Code
   */
  response => {
    const res = response.data

    // if the custom code is not 20000, it is judged as an error.
    if (!res.success) {
      Message({
        message: res.message || 'Error',
        type: 'error',
        duration: 5 * 1000
      })
      return Promise.reject(new Error(res.message || 'Error'))
    } else {
      return res
    }
  },
  error => {
    if (error.response) {
      switch (error.response.status) {
          case 401:
            removeToken()
            window.location.href = '/login';

              break;
          case 500:
            console.log('err' + error) // for debug
            Message({
              message: error.message,
              type: 'error',
              duration: 5 * 1000
            })
              break;
      }
  }
    
    return Promise.reject(error)
  }
)

export default service
